Piezoelectric materials also generate electricity when they're mechanically deformed, which means you can easily count the number of times per second the crystal is vibrating (you just count the number of electrical pulses it generates). Just taking the letters A, B, C, and D, we have Audemars Piguet, Bulgari, Cartier, and DeWitt. In late 2017, Piaget used a peripheral rotor to set the record for the thinnest automatic watch with the 4.1mm-thin Altiplano Ultimate 910P, below. The omega automatic seamaster watch is a masterpiece of horological engineering.

pas cher Omega Montres Discover the intricate details of this luxury timepiece.

Learn about the history and craftsmanship behind the omega automatic seamaster watch.